V/D
S
ERIES
M
ECHANICAL ASSEMBLIES
Revision: 2.1 3-3
3.7 Cooling ................................................................................. 53
3.7.1
Position and function ................................................................................. 53
Water cooling with support air ............................................ 53
Water cooling without support air ....................................... 54
Cooling through recirculation .............................................. 54
Ambient air cooling ............................................................. 54
Spray cooling ...................................................................... 55
Direct softwater spray cooling ............................................. 55
Closed cooling circuit .......................................................... 55
3.7.2
Maintenance tasks ..................................................................................... 55
Filling the closed cooling circuit .......................................... 55
Replacing the sterile air filter .............................................. 57
Measuring the flow .............................................................. 57
3.8 Steam generation ................................................................. 58
3.8.1
Steam generator (X devices) ..................................................................... 58
Position and function........................................................... 58
Demineralised water inlet valve (Y14) ................................ 58
Electrodes ........................................................................... 59
Water feed pump ................................................................ 59
Flow monitor ....................................................................... 60
3.8.2
Steam generation in the sterilisation chamber (E and B devices) ............. 60
Position and function........................................................... 60
Electrodes ........................................................................... 60
Setting the operating modes ............................................... 61
Water feed pump ................................................................ 61
Flow monitor ....................................................................... 62
3.8.3
Maintenance tasks (all devices) ................................................................ 62
Checking the water level electrodes ................................... 62
Checking the water feed pump (M1) ................................... 64
Checking the functionality of the flow monitor .................... 64
Replacing the heating element ........................................... 65
Checking the functionality of the safety
temperature limiter .............................................................. 66
Manual emptying of the steam generator ........................... 66
3.9 Safety valves ........................................................................ 66
3.9.1
Position and function ................................................................................. 66
3.9.2
Maintenance tasks ..................................................................................... 67
Testing the safety valve on the steam generator
(X series only) ..................................................................... 67
Testing the safety valve on the sterilisation chamber ......... 67